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- ASA 5505 Adaptive Security Appliance
Status: End of Support | End-of-Support Date: 31-Aug-2022
- ASA 5512-X Adaptive Security Appliance
Status: End of Support | End-of-Support Date: 31-Aug-2022
- ASA 5512-X Adaptive Security Appliance with No Payload Encryption
Status: End of Support | End-of-Support Date: 31-Aug-2022
- ASA 5515-X Adaptive Security Appliance
Status: End of Support | End-of-Support Date: 31-Aug-2022
- ASA 5515-X Adaptive Security Appliance with No Payload Encryption
Status: End of Support | End-of-Support Date: 31-Aug-2022
- ASA 5525-X Adaptive Security Appliance
Status: Available | Release Date: 28-Feb-2012
- ASA 5525-X Adaptive Security Appliance with No Payload Encryption
Status: Available | Release Date: 28-Feb-2012
- ASA 5545-X Adaptive Security Appliance
Status: Available | Release Date: 28-Feb-2012
- ASA 5545-X Adaptive Security Appliance with No Payload Encryption
Status: Available | Release Date: 28-Feb-2012
- ASA 5555-X Adaptive Security Appliance
Status: End of Sale | End-of-Support Date: 30-Sep-2025
- ASA 5555-X Adaptive Security Appliance with No Payload Encryption
Status: Available | Release Date: 28-Feb-2012
- ASA 5580 Adaptive Security Appliance
Status: Available | Release Date: 10-Sep-2007
- ASA for Nexus 1000V Series Switch
Status: Available | Release Date: 18-Oct-2011
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Key Information
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Latest Security Notices
- 01-Nov-2023
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- 03-Aug-2023
Document Categories
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Data Sheets and Product Information
- Cisco ASA Botnet Traffic Filter (PDF - 696 KB)
At-a-Glance
- Cisco ASA 5500 Series Adaptive Security Appliances Data Sheet
- Cisco ASA 5500 and ASA 5500-X Series Next Generation Firewalls for the Internet Edge Data Sheet
- Cisco ASA 5505 Adaptive Security Appliance for Small Office or Branch Locations Data Sheet
- Cisco ASA 5500 Series Advanced Inspection and Prevention Security Services Module and Card
- Cisco ASA 5500 Series Unified Communications Deployments
- Cisco ASA 5500 Series Content Security and Control Security Services Module
Data Sheets
- End-of-Sale and End-of-Life Announcement for the Cisco ASA5525, ASA5545 & ASA5555 Series 3 YR Subscriptions
- End-of-Sale and End-of-Life Announcement for the Cisco ASA5506 Series Security Appliance 1 YR Subscriptions
- End-of-Sale and End-of-Life Announcement for the Cisco ASA5512 & ASA5515 - 1Yr Subscriptions
- End-of-Sale and End-of-Life Announcement for the Cisco ASA 5585-X with FirePOWER Services Modules -1Yr Subscriptions
- End-of-Sale and End-of-Life Announcement for the Cisco Context Directory Agent (CDA)
- End-of-Sale and End-of-Life Announcement for the Cisco ASA5508 and ASA5516 Series Security Appliance and 5 YR Subscriptions
- End-of-Sale and End-of-Life Announcement for the Cisco ASA5506 Series Security Appliance with ASA software
- End-of-Sale and End-of-Life Announcement for the Cisco ASA5506 Series Security Appliance 3 YR Subscriptions
- End-of-Sale and End-of-Life Announcement for the Cisco ASA5506 Series Security Appliance 5 YR Subscriptions
- End-of-Sale and End-of-Life Announcement for the Cisco ASA 5505 Adaptive Security Appliance
- End-of-Sale and End-of-Life Announcement for the Cisco ASA 5512-X and ASA 5515-X
- End-of-Sale and End-of-Life Announcement for the Cisco ASA5506W-X WiFi Security Appliances
- End-of-Sale and End-of-Life Announcement for the Cisco ASA 5585-X Adaptive Security Appliance
- End-of-Sale and End-of-Life Announcement for the Cisco ASA CX Context-Aware Security and Cisco Prime Security Manager
- End-of-Sale and End-of-Life Announcement for the Cisco ASA 1000V
End-of-Life and End-of-Sale Notices
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Security Notices
- Software Lifecycle Support Statement - Next Generation Firewall (NGFW)
- End-of-Sale and End-of-Life Announcement for the Cisco Context Directory Agent (CDA)
Bulletins
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Applicable to Multiple Models
- Field Notice: FN - 72550 - ASA and Firepower Software: Secure Firewall Appliance Might Traceback And Reload In A High Availability Configuration - Software Upgrade Recommended
- Field Notice: FN - 72439 - ASA and FTD Software: Network Address Translation Might Become Disabled - Software Upgrade Recommended
- Field Notice: FN - 72103 - ASA, FXOS and Firepower Software: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing, Smart Call Home, And Other Functionality - Software Upgrade Recommended
- Field Notice: FN - 72212 - ASA 5500-X - Sustained Burst Of Connection Requests Might Cause Overallocation Of DMA Memory - Workaround Provided
- Field Notice: FN - 70050 - ASA5500-X with FirePOWER Services - FirePOWER Software v5.4.0.9 Can Cause Accelerated Wear of Solid-State Drives - Software Upgrade Recommended
- Field Notice: FN - 64291 - ASA and FTD Software - Security Appliance Might Fail To Pass Traffic After 213 Days Of Uptime - Reboot Required - Software Upgrade Recommended
- Field Notice: FN - 70467 - ASA Software - AnyConnect Connections Might Fail With TCP Connection Limit Exceeded Error - Software Upgrade Recommended
- Field Notice: FN - 63705 - ASA 5500-X Appliances - Default IPS Software Might Not Be Installed - Software Upgrade Recommended
- Field Notice: FN - 63521 - ASA5500-X Appliance - Units shipped without default configuration - Configuration Change Recommended
- Field Notice: FN - 70319 - ASA and FXOS Software - Change in Root Certificate Might Affect Smart Licensing and Smart Call Home Functionality - Software Upgrade Recommended
- Field Notice: FN - 70081 - ASA Software - ASA 5500-X Security Appliance Might Reboot When It Authenticates the AnyConnect Client - Software Upgrade Recommended
- Field Notice: FN - 64315 - ASA Software - Stale VPN Context Entries Cause ASA to Stop Traffic Encryption - Software Upgrade Recommended
- Field Notice: FN - 64227 - ASA Software - Some Commands Might Fail on ASA 5500-X Security Appliances - Software Upgrade Recommended
- Field Notice: FN - 64294 - ISA3000 Software Security Appliance Might Fail To Pass Traffic After 213 Days Of Uptime - Software Upgrade Recommended
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Cisco ASA 5505 Adaptive Security Appliance
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Cisco ASA 5540 Adaptive Security Appliance
Field Notices
- Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software ICMPv6 Message Processing Denial of Service Vulnerability
- Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software AnyConnect Access Control List Bypass Vulnerabilities
- Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SAML Assertion Hijack Vulnerability
- Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software AnyConnect SSL/TLS VPN Denial of Service Vulnerability
- Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Remote Access VPN Denial of Service Vulnerability
- Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Remote Access SSL VPN Multiple Certificate Authentication Bypass Vulnerability
- cURL and libcurl Vulnerability Affecting Cisco Products: October 2023
- Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Remote Access VPN Unauthorized Access Vulnerability
- Cisco FXOS Software Arbitrary File Write Vulnerability
- Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software for Firepower 2100 Series Appliances SSL/TLS Denial of Service Vulnerability
- Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Low-Entropy Keys Vulnerability
- Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability
- Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SSL/TLS Client Denial of Service Vulnerability
- Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software VPN Authorization Bypass Vulnerability
- Cisco Secure Firewall 3100 Series Secure Boot Bypass Vulnerability
Security Advisories, Responses and Notices
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Release and Compatibility
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Hardware and Software Compatibility
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Supported VPN Platforms
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Firepower Migration Tool Compatibility
Compatibility Information
- Cisco Secure Firewall Management Center New Features by Release
- Cisco Secure Firewall Device Manager New Features by Release
- Cisco ASA New Features by Release
- Firepower Hotfix Release Notes
- Release Notes for the Cisco ASA Series, 9.14(x)
- Cisco Firepower Release Notes, Version 6.2.3.1, 6.2.3.2, 6.2.3.3, 6.2.3.4, 6.2.3.5, 6.2.3.6, 6.2.3.7, 6.2.3.9, 6.2.3.10, 6.2.3.11, 6.2.3.12, 6.2.3.13, 6.2.3.14, 6.2.3.15, 6.2.3.16, and 6.2.3.17
- Cisco Firepower Release Notes, Version 6.5.0.1
- Firepower Release Notes, Version 6.3.0.1 and 6.3.0.2
- Firepower 마이그레이션 툴 릴리즈 노트 (PDF)
- Firepower 마이그레이션 툴 릴리즈 노트 (PDF)
- Release Notes for the Cisco ASA Device Package Software, Version 1.3(12) for ACI
- Release Notes for the Cisco ASA Device Package Software, Version 1.2(12) for ACI
- Cisco Firepower Release Notes, Version 6.2.3
- Release Notes for the Cisco ASA Series, 9.9(x)
- Release Notes for Cisco ASDM, 7.13(x)
Release Notes
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Reference
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ASA Command Reference
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Firepower Threat Defense Command Reference
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Translations
Command References
- Navigating the Cisco Secure Firewall Threat Defense Documentation
- Navigating the Cisco Secure Firewall ASA Series Documentation
- Navigating the Cisco Secure Firewall Migration Tool Documentation
- Welcome to the Cisco ASA 5500-X Series
- Welcome to the Cisco ASA 5505
- Welcome to the Cisco ASA 5585-X
Documentation Roadmaps
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Feature Licenses
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Open Source Licenses
- Open Source Licensing Information for Releases 6.4 and Later
- Open Source Used In Cisco Firepower Version 6.3 (PDF)
- Open Source Used In Cisco Firepower Version 6.2.3 (PDF)
- Open Source Used In Cisco Firepower Version 6.2.2 (PDF)
- Open Source Used In Firepower System Version 6.2 (PDF)
- Open Source Used In Firepower System Version 6.1 (PDF)
- Open Source Used In FireSIGHT System Version 5.4.1.x (PDF)
- Open Source Licensing Information (PDF)
- Open Source Used In Context Directory Agent 1.0 (PDF)
Licensing Information
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Design
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Install and Upgrade
- Migrating ASA to Firepower Threat Defense with the Firepower Migration Tool
- Migrating Firewalls with the Firewall Migration Tool in Cisco Defense Orchestrator
- Migrating Fortinet Firewall to Secure Firewall Threat Defense with the Migration Tool
- Migrating Palo Alto Networks Firewall to Secure Firewall Threat Defense with the Migration Tool
- Migrating Check Point Firewall to Secure Firewall Threat Defense with the Migration Tool
- Cisco ASA and Firepower Threat Defense Reimage Guide
- Migrating ASA with FirePOWER Services (FPS) Firewall to Secure Firewall Threat Defense with the Migration Tool
- Cisco ASA Upgrade Guide
- Cisco Secure Firewall ASA to Threat Defense Feature Mapping
- Migrating from the Cisco ASA 5500 to the Cisco Adaptive Security Virtual Appliance
- Secure Firewall Management Center and Threat Defense Management Network Administration
- Migrating ASA to Firepower Threat Defense Using Cisco Defense Orchestrator
- Cisco Firepower Management Center Upgrade Guide
- Migrating ASA to Firepower Threat Defense Site-to-Site VPN Using IKEv2 with Pre-Shared Key Authentication (PDF)
- Migrating ASA to Firepower Threat Defense Dynamic Crypto Map Based Site-to-Site Tunnel on FTD (PDF)
Install and Upgrade Guides
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Cisco ASA 5505 Adaptive Security Appliance
Install and Upgrade TechNotes
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Configuration
- Configure AnyConnect VPN Client U-turn Traffic on ASA 9.X
- Configure AnyConnect Client Access to Local LAN
- Configure the ASA for Redundant or Backup ISP Links
- Configure ASA: SSL Digital Certificate Installation and Renewal
- Use Guide to Secure ASA Firewall
- Configure Logging on FTD via FMC
- Use LDAP Attribute Maps Configuration Example
- Configure ASA Border Gateway Protocol
- Configure Network Address Translation and ACLs on an ASA Firewall
- Configure Adaptive Security Appliance (ASA) Syslog
- Configure a Site-to-Site VPN Tunnel with ASA and Strongswan
- Configure VPN Filters on Cisco ASA
- Configure FTD from ASA Configuration File with Firepower Migration Tool
- ASA: Smart Tunnel using ASDM Configuration Example
- ASA with CX/FirePower Module and CWS Connector Configuration Example
Configuration Examples and TechNotes
- Firepower Management Center Configuration Guide, Version 6.0.1
- Cisco Firepower Threat Defense Configuration Guide for Firepower Device Manager, Version 6.6.0
- Firepower Management Center Configuration Guide, Version 6.0
- Cisco Firepower Threat Defense Configuration Guide for Firepower Device Manager, Version 6.5.0
- Firepower Management Center Configuration Guide, Version 6.4
- Firepower Management Center Configuration Guide, Version 6.5
- Firepower Management Center Configuration Guide, Version 6.2.3
- Cisco Secure Firewall ASA HTTP Interface for Automation
- Firepower Management Center Configuration Guide, Version 6.6
- Cisco Firepower Threat Defense Hardening Guide, Version 7.0
- Cisco Secure Firewall Threat Defense Hardening Guide, Version 7.2
- About the ASA REST API
- Cisco ASA Legacy Feature Guide
- Cisco ASA Botnet Traffic Filter Guide
- Cisco ASA Unified Communications Guide
Configuration Guides
- Cisco Secure Firewall Threat Defense REST API Guide
Programming Guides
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Maintain and Operate
- Optimize AnyConnect Split Tunnel for Microsoft Office 365/Webex
- EEM Examples for Different VPN Scenarios on ASA
Maintain and Operate TechNotes
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Troubleshooting
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Syslog and Error Messages
Error and System Messages
- What does the IPS message “IPS SSP application reloading IPS" mean?
- ASA FAQ: How do you interpret the syslogs generated by the ASA when it builds or tears down connections?
- ASA FAQ: What happens after failover if dynamic routes are synchronized?
- ASA - When and why to use the write standby command?
- Why Does the ASA have xlate Entries with Idle Values Longer than the Configured Timeouts?
- ASA 5500 Series Adaptive Security Appliance FAQ
Support FAQ
- Configure Site-to-Site IKEv2 Tunnel between ASA and Router
- Monitor and Troubleshoot ASA Performance Issues
- Use ASA IKEv2 Debugs for Site-to-Site VPN with PSKs
- Build-Up and Teardown ASA TCP Connection Flags
- Fix Traffic Flow Disruptions Caused by AnyConnect Reconnections
- IPsec Troubleshooting: Understanding and Using debug Commands
- Understand ASA High Availability MAC Table Synchronization on Transparent Mode with HSRP Routers
- Configure ASA Version 9 Port Forwarding with NAT
- Fix AnyConnect Cryptographic Algorithms Error with FIPS Enabled
- AnyConnect VPN Client Troubleshooting Guide - Common Problems
- CWS on ASA Traffic to Internal Servers Blocked
- ASA VPN Load Balancing Director Election Process
- Cut-Through and Direct ASA Authentication Configuration Example
- ASA 8.3 Issue: MSS Exceeded - HTTP Clients Cannot Browse to Some Websites
- MPTCP and Product Support Overview
Troubleshooting TechNotes
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Literature
- Oxford University Hospital Customer Case Study (PDF - 425 KB)
- Wireless quality gives Messe Frankfurt powerful tools with multiple benefits for events (PDF - 182 KB)
- Frankfurt Airport transforms workplace efficiency with WiFi next generation (PDF - 253 KB)
Case Studies
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